1834 - Thomas Davenport of Vermont developed the first real electric motor ('real' meaning powerful enough to do a task) although Joseph Henry and Michael Faraday created early motion devices using electromagnetic fields.
Below is a more detailed usage of operating systems according to age group: 18 to 34 years old. Of all the smartphone users, 50% use Android as operating system, 43% use iPhone, 39% use Microsoft and 38% use RIM. Apparently, more users prefer Android.
Windows XP was the longest running Microsoft operating system, seeing three major updates and support up until April 2014 â 13 years from its original release date. Windows XP was still used on an estimated 430m PCs when it was discontinued. Its biggest problem was security: though it had a firewall built in, it was turned off by default.